Home / 11,242,656.80-16,861,461.24-5,171,557.76

Finding the Fourth Proportional to 11,242,656.80, 16,861,461.24 and 5,171,557.76

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Solution

The fourth proportional to 11,242,656.80, 16,861,461.24 and 5,171,557.76 is: 7,756,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242,656.80 : 16,861,461.24 = 5,171,557.76 : x
  2. Step 2: Convert to fraction form
    11,242,656.80/16,861,461.24 = 5,171,557.76/x
  3. Step 3: Cross multiply
    11,242,656.80x = 16,861,461.24 × 5,171,557.76
  4. Step 4: Simplify right side
    11,242,656.80x = 87,200,020,720,661.20
  5. Step 5: Solve for x
    x = 87,200,020,720,661.20/11,242,656.80
  6. Step 6: Final answer
    x = 7,756,175.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.